The Steelers haven't decided if they will take a quarterback sometime Friday or Saturday in the NFL draft. But, for the first time in a long time, general manager Kevin Colbert said they are open to the possibility.If they do, will they wait until the middle or late rounds to draft a quarterback who merely will be the No. 3 quarterback behind Ben Roethlisberger and Bruce Gradkowski?Or do they start looking for Roethlisberger's heir apparent now and go after a quarterback, say, in the third round?If they do not draft a quarterback, the Steelers, in all likelihood, will welcome back Charlie Batch as one of their backups.The Steelers are not ready to start grooming a replacement for Roethlisberger, who is 31 and entering his 10th season in the league. He has three more years remaining on his $100 million contract. But that doesn't mean they would pass on a talented quarterback who still needs several years of development before he is ready to play in the NFL.And that quarterback is Tyler Bray, who is only 21 and skipped his senior season at Tennessee to enter the draft.A lot of NFL teams, the Steelers included, think Bray is the most-talented quarterback in the draft. He is a 6-foot-6, 230-pound pocket passer with a powerful arm who threw for 7,444 yards and 69 touchdowns in three seasons with the Volunteers.Bray, however, is not like any of the 2012 rookie quarterbacks who came ready-made for the NFL -- Andrew Luck, Robert Griffin III or Russell Wilson. In fact, some NFL teams are worried he might be more like Ryan Leaf, the poster child for the all-arm, no-head quarterback.